Got this quest that I was unable to complete on elite because I changed faction on ultimate. I then went to GD folder, my character and on levels_world… I deleted the elite folder, which restarted elite for me (I’m fine with that).
Just wondering if such a thing could bring any problem on the future (with shrines, I don’t know). My character and stash are normal now.
There’s another file maps_survival… but the only file inside is normal. Didn’t mess with this one.
Yes, you may run into all sorts of problems, including potentially ending up with extra skill points.
From the quests? I used the stone to unlock ult already, so by completing the quests, I should not receive extra points (at least the first time I did).
That quest unable to be completed was driving me crazy… 
Either live with it or restart?
Edit: the first quest gave me a skill point again, damn it! A way to reset difficulties for the sake of it would be great honestly…